Bump WASI SDK to version 22 #671

Job	Run time
ci-data	6s
Compile native gem for x86_64-darwin	6m 3s
Compile native gem for aarch64-linux-musl	6m 11s
Compile native gem for aarch64-linux	6m 6s
Compile native gem for arm64-darwin	5m 59s
Compile native gem for x64-mingw-ucrt	6m 4s
Compile native gem for x86_64-linux	9m 22s
Compile native gem for x86_64-linux-musl	5m 56s
	45m 47s

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